we get the latest on the demonstrations, and the return of the remains of four americans killed in libya. >> woodruff: then, did the big bank bailouts here in the u.s. work? ray suarez gets two views on this fourth anniversary of the fall of lehman brothers. >> brown: david brooks and ruth marcus analyze the week's news. >> woodruff: and hari sreenivasan talks with journalist sasha issenberg about his new book exploring how the campaigns are mining data to boost turnout in november. >> whether you are likely to default on your loan or pay off your bill on time or run up $500 on your credit card in a given month, on trying to predict who you are going vote in november, who are you likely to vote for, what issues do you care about. >> woodruff: that's all ahead on tonight's newshour. major funding for the pbs newshour has been provided by: >> bnsf and from carnegie foundation >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like yo